Yurei
Yurei is a ransomware group with a financial motive, tracked by Brandefense. It targets 5 sectors, including Technology and Manufacturing, in 5 countries, including India and Switzerland. It uses 20 MITRE ATT&CK techniques.
- Techniques
- 20
- Exploited CVEs
- No CVE data
- First seen
- Sep 5, 2025
- Last seen
- Sep 9, 2025
- Record updated
Who They Target.
About Yurei.
Yurei is a ransomware group first observed in September 2025 whose payload is a minimally modified fork of the open-source Prince-Ransomware, using ChaCha20 encryption and propagating across SMB shares, primarily targeting food manufacturing, transportation, and IT sectors in Sri Lanka and Nigeria.
Last updated Oct 1, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.